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Date: Fri, 25 Jan 2013 17:12:30 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Tang Chen <tangchen@...fujitsu.com> Cc: jiang.liu@...wei.com, wujianguo@...wei.com, hpa@...or.com, wency@...fujitsu.com, laijs@...fujitsu.com, linfeng@...fujitsu.com, yinghai@...nel.org, isimatu.yasuaki@...fujitsu.com, rob@...dley.net, kosaki.motohiro@...fujitsu.com, minchan.kim@...il.com, mgorman@...e.de, rientjes@...gle.com, guz.fnst@...fujitsu.com, rusty@...tcorp.com.au, lliubbo@...il.com, jaegeuk.hanse@...il.com, tony.luck@...el.com, glommer@...allels.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH 3/3] acpi, memory-hotplug: Support getting hotplug info from SRAT. On Fri, 25 Jan 2013 17:42:09 +0800 Tang Chen <tangchen@...fujitsu.com> wrote: > NOTE: Using this way will cause NUMA performance down because the whole node > will be set as ZONE_MOVABLE, and kernel cannot use memory on it. > If users don't want to lose NUMA performance, just don't use it. I agree with this, but it means that nobody will test any of your new code. To get improved testing coverage, can you think of any temporary testing-only patch which will cause testers to exercise the memory-hotplug changes? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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